Where would you most likely find varves?

Carved are mostly found in lakes.

They may be found in Marine environment also.

Explanation:

Varves are layers of sediments or sedimentary rocks that are deposited in an annual cycle. It consist of coarse or slit layers that is capped with fine grained layers.

Carved are mostly found in lakes especially the glacial or proglacial environments. During the summer, sediments are transported into the lakes from the surronding drainage which can be as a result of ice that melt or wash.